Two-Dimensional Black Hole and Singularities of CY Manifolds

Details Two-Dimensional Black Hole and Singularities of CY Manifolds Two-Dimensional Black Hole and Singularities of CY Manifolds

1995-11-23

arxiv.org/abs/hep-th/9511164v1

Nucl.Phys.B463:55-72,1996

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, harvmac

Scientific paper

10.1016/0550-3213(96)00008-9

We study the degenerating limits of superconformal theories for compactifications on singular K3 and Calabi-Yau threefolds. We find that in both cases the degeneration involves creating an Euclidean two-dimensional black hole coupled weakly to the rest of the system. Moreover we find that the conformal theory of A_n singularities of K3 are the same as that of the symmetric fivebrane. We also find intriguing connections between ADE (1,n) non-critical strings and singular limits of superconformal theories on the corresponding ALE space.

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